Most microbats are active at night or at twilight.

Many bats migrate^[15], while others pass into torpor in cold weather but rouse themselves and feed when warm spells permit insect activity^[16], and still others retreat to caves for winter and hibernate for six months^[16]. Bats rarely fly in rain- the rain interferes with their echo location, and they are unable to locate their food.

The social structure of bats varies, with some bats leading a solitary life and others living in caves